dangerous suspects today, boston has been rocked but not shake in. >> we are one city, we are a city or a community, we are a city that is not going to let the terrorists win over, we are here to work hard, we will get through this and be a stronger city as we move forward. >> 48 hours after the blast the fbi released photos and video of the two suspects. hours later police got reports of gunfire on the campus of mit, believed to have come from both of the men. an mit police officer was found shot to death in his cruiser. an hour after that they carjacked a driver and held him hostage for half an hour before letting him go unharmed. the manhunt intensified in the search for the car, when they came close the suspects through explosives from the car, one of them is shot and dies later at a hospital. the other one identified in the white hat flees. >> we are asking everybody to shelter in place. no vehicle traffic is allowed to travel in our out of watertown until further notice.